Multiquip 11810 PCV Valve

The Multiquip 11810 PCV Valve is a genuine OEM component designed for RX1575 rollers and C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDN Mayco concrete pump models. As a direct OEM replacement, this valve matches the original specification installed at the factory, ensuring the engine's crankcase ventilation system operates exactly as intended. Sourced directly through Multiquip's authorized parts network, the 11810 is the correct part when your machine needs a verified replacement.

Key Features

• Genuine OEM Crankcase Ventilation Control — Manufactured to the same specification as the original, maintaining correct pressure regulation within the engine crankcase.
• Direct Drop-In Replacement — Matches the original valve's port size and mounting configuration for a straightforward swap with no adaptation needed.
• Broad Fitment Across Multiple Families — Compatible with RX1575 walk-behind rollers and C30HDNI, C30HDNI Precision, C30HDNI Zenith, and C30HDN Mayco concrete pumps.
• Protects Engine Internals — A properly functioning PCV valve prevents pressure buildup that can push oil past seals and contaminate the air intake, keeping combustion clean and engine wear in check.
• Verified Multiquip Part Number — Ordering by part number 11810 ensures you receive the exact valve specified for these machines, eliminating guesswork on cross-compatibility.

A PCV (Positive Crankcase Ventilation) valve controls the flow of combustion blow-by gases from the engine crankcase back into the intake system to be burned off, rather than vented into the atmosphere. This keeps internal crankcase pressure at a safe level, preventing oil leaks past gaskets and seals while also reducing harmful emissions. When the valve sticks open or closed — or becomes clogged with carbon deposits — it can cause oil consumption issues, rough idle, increased engine wear, or even oil being drawn into the intake, all of which shorten engine service life and affect machine performance.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.